HDMI 19 pins is the newest technology that out performs the earlier HDMI 18 pins (Make sure you get HDMI 19 pins over the HDMI 18 pins.)

The HDMI 19 pins cable is backward compatible with the older HDMI 18 pins cable devices. A premium quality HDMI-HDMI cable suitable for use in HDTV, Home Theater, and business class projector based applications.